NTK
NTK Oxygen Sensor 21516
NTK Oxygen Sensor 21516
Part number: 3W1P3
Regular price
$64.88 USD
Regular price
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$64.88 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
NTK Oxygen Sensor 21516, with the part number and details listed below. Sensors tell the engine computer what is happening so it can adjust fuel, timing and gauges.
Quick facts
- Brand: NTK
- Part type: Sensor
Listed fitment
- 2001 - 2005 Buick Century Custom, Limited
- 2005 Buick Century Special Edition
- 2004 Buick Rainier CXL Plus, CXL
- 2002 - 2005 Buick Rendezvous CXL Plus, CXL, CX, CX Plus
- 2004 - 2005 Buick Rendezvous Ultra
- 2000 - 2003 Cadillac DeVille DHS, Base, DTS
- 2001 Cadillac DeVille STS
- 2000 - 2002 Cadillac Eldorado ETC, ESC
- 2002 Cadillac Escalade Base
- 2000 - 2003 Cadillac Seville STS, SLS
- 2000 - 2002 Chevrolet Astro Base, LS, LT
- 2002 Chevrolet Avalanche 1500 On Road Edition, Z71, Base, LS, LT, North Face
- 2005 Chevrolet Blazer Base
- 2002 - 2004 Chevrolet Blazer LS
- 2002 Chevrolet Blazer LTZ, LT
- 2002 - 2005 Chevrolet Blazer Xtreme
- 2003 - 2005 Chevrolet Blazer ZR2
- 2003 Chevrolet Impala LS Sport
- 2001 - 2005 Chevrolet Impala LS, Base
- 2003 - 2005 Chevrolet Impala Police
- 2004 - 2005 Chevrolet Impala SS
- 2001 - 2003 Chevrolet Malibu LS, Base
- 2003 Chevrolet Monte Carlo LS Competition, LS Sport, SS Pace Car, SS High Sport
- 2001 - 2005 Chevrolet Monte Carlo LS, SS
- 2005 Chevrolet Monte Carlo LT
- 2002 Chevrolet Monte Carlo SS Dale Earnhardt Signature Edition, SS 35th Anniversary Edition
- 2002 - 2004 Chevrolet S10 LS, ZR5
- 2002 - 2003 Chevrolet S10 ZR2, Base, Xtreme
- 2000 - 2002 Chevrolet Silverado 1500 Base, LS, LT
- 2002 Chevrolet Silverado 1500 WT, Custom
- 2000 Chevrolet Silverado 2500 LS, LT, Base
- 2003 - 2004 Chevrolet SSR Base
- 2000 - 2002 Chevrolet Suburban 1500 LT, Base, LS
- 2000 - 2001 Chevrolet Tahoe Base
- 2000 - 2002 Chevrolet Tahoe LS, LT
- 2000 Chevrolet Tahoe Z71, Limited
- 2003 - 2004 Chevrolet Trailblazer EXT LT, LS, North Face
- 2001 - 2004 Chevrolet Venture Base
- 2001 - 2005 Chevrolet Venture Plus, LT, LS
- 2001 - 2003 Chevrolet Venture Warner Bros., Value
- …and 36 more
Tip: Read the code, check the wiring and connector, and clear codes after the new sensor is in.
Before you order: fitment and what to plan
Sensors tell the engine computer what is happening so it can adjust fuel, timing and gauges.
Fitment notes
- Specs, lead time and warranty come from NTK and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentPlan the whole job
- Connector and wiring. Corroded connectors mimic a bad sensor.
More for your car: Oxygen (O2) Sensors · Batteries & electrical
Questions about sensor
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Will a new sensor clear my check-engine light?
If the sensor was the cause, the light usually goes off after codes are cleared or after a few drive cycles.
Where do specs and warranty details come from?
From NTK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
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